| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: utils.cpp |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // Created: 01/02/97 |
| 6 | // Id: |
| 7 | // Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem |
| 8 | // Licence: wxWindows licence |
| 9 | ///////////////////////////////////////////////////////////////////////////// |
| 10 | |
| 11 | |
| 12 | //#ifdef __GNUG__ |
| 13 | //#pragma implementation "utils.h" |
| 14 | //#endif |
| 15 | |
| 16 | #include "wx/utils.h" |
| 17 | #include "wx/string.h" |
| 18 | #include "wx/list.h" |
| 19 | |
| 20 | #include <ctype.h> |
| 21 | #include <string.h> |
| 22 | #include <unistd.h> |
| 23 | #ifdef __SVR4__ |
| 24 | #include <sys/systeminfo.h> |
| 25 | #endif |
| 26 | |
| 27 | #include "gdk/gdkx.h" // GDK_DISPLAY |
| 28 | #include "gdk/gdkprivate.h" // gdk_progclass |
| 29 | |
| 30 | #include <X11/Xlib.h> |
| 31 | #include <X11/Xutil.h> |
| 32 | #include <X11/Xresource.h> |
| 33 | |
| 34 | #include "wx/log.h" |
| 35 | |
| 36 | //----------------------------------------------------------------------------- |
| 37 | // constants |
| 38 | //----------------------------------------------------------------------------- |
| 39 | |
| 40 | // Yuck this is really BOTH site and platform dependent |
| 41 | // so we should use some other strategy! |
| 42 | #ifdef __SUN__ |
| 43 | #define DEFAULT_XRESOURCE_DIR "/usr/openwin/lib/app-defaults" |
| 44 | #else |
| 45 | #define DEFAULT_XRESOURCE_DIR "/usr/lib/X11/app-defaults" |
| 46 | #endif |
| 47 | |
| 48 | //----------------------------------------------------------------------------- |
| 49 | // glabal data (data.cpp) |
| 50 | //----------------------------------------------------------------------------- |
| 51 | |
| 52 | extern wxResourceCache *wxTheResourceCache; |
| 53 | extern XrmDatabase wxResourceDatabase; |
| 54 | |
| 55 | //----------------------------------------------------------------------------- |
| 56 | // utility functions for get/write resources |
| 57 | //----------------------------------------------------------------------------- |
| 58 | |
| 59 | static char *GetResourcePath(char *buf, char *name, bool create) |
| 60 | { |
| 61 | if (create && FileExists(name)) { |
| 62 | strcpy(buf, name); |
| 63 | return buf; // Exists so ... |
| 64 | } |
| 65 | if (*name == '/') |
| 66 | strcpy(buf, name); |
| 67 | else { |
| 68 | // Put in standard place for resource files if not absolute |
| 69 | strcpy(buf, DEFAULT_XRESOURCE_DIR); |
| 70 | strcat(buf, "/"); |
| 71 | strcat(buf, FileNameFromPath(name)); |
| 72 | } |
| 73 | if (create) { |
| 74 | // Touch the file to create it |
| 75 | FILE *fd = fopen(buf, "w"); |
| 76 | if (fd) fclose(fd); |
| 77 | } |
| 78 | return buf; |
| 79 | } |
| 80 | |
| 81 | // Read $HOME for what it says is home, if not |
| 82 | // read $USER or $LOGNAME for user name else determine |
| 83 | // the Real User, then determine the Real home dir. |
| 84 | static char *GetIniFile(char *dest, const char *filename) |
| 85 | { |
| 86 | char *home = (char *) NULL; |
| 87 | if (filename && wxIsAbsolutePath(filename)) |
| 88 | { |
| 89 | strcpy(dest, filename); |
| 90 | } |
| 91 | else |
| 92 | { |
| 93 | if ((home = wxGetUserHome(wxString())) != NULL) |
| 94 | { |
| 95 | strcpy(dest, home); |
| 96 | if (dest[strlen(dest) - 1] != '/') strcat(dest, "/"); |
| 97 | if (filename == NULL) |
| 98 | { |
| 99 | if ((filename = getenv("XENVIRONMENT")) == NULL) filename = ".Xdefaults"; |
| 100 | } |
| 101 | else |
| 102 | if (*filename != '.') strcat(dest, "."); |
| 103 | strcat(dest, filename); |
| 104 | } |
| 105 | else |
| 106 | { |
| 107 | dest[0] = '\0'; |
| 108 | } |
| 109 | } |
| 110 | return dest; |
| 111 | } |
| 112 | |
| 113 | static void wxXMergeDatabases(void) |
| 114 | { |
| 115 | XrmDatabase homeDB, serverDB, applicationDB; |
| 116 | char filenamebuf[1024]; |
| 117 | |
| 118 | char *filename = &filenamebuf[0]; |
| 119 | char *environment; |
| 120 | char *classname = gdk_progclass; // Robert Roebling ?? |
| 121 | char name[256]; |
| 122 | (void)strcpy(name, "/usr/lib/X11/app-defaults/"); |
| 123 | (void)strcat(name, classname ? classname : "wxWindows"); |
| 124 | |
| 125 | // Get application defaults file, if any |
| 126 | if ((applicationDB = XrmGetFileDatabase(name))) |
| 127 | (void)XrmMergeDatabases(applicationDB, &wxResourceDatabase); |
| 128 | |
| 129 | // Merge server defaults, created by xrdb, loaded as a property of the root |
| 130 | // window when the server initializes and loaded into the display |
| 131 | // structure on XOpenDisplay; |
| 132 | // if not defined, use .Xdefaults |
| 133 | if (XResourceManagerString(GDK_DISPLAY()) != NULL) { |
| 134 | serverDB = XrmGetStringDatabase(XResourceManagerString(GDK_DISPLAY())); |
| 135 | } else { |
| 136 | (void)GetIniFile(filename, (char *) NULL); |
| 137 | serverDB = XrmGetFileDatabase(filename); |
| 138 | } |
| 139 | if (serverDB) |
| 140 | XrmMergeDatabases(serverDB, &wxResourceDatabase); |
| 141 | |
| 142 | // Open XENVIRONMENT file, or if not defined, the .Xdefaults, |
| 143 | // and merge into existing database |
| 144 | |
| 145 | if ((environment = getenv("XENVIRONMENT")) == NULL) { |
| 146 | size_t len; |
| 147 | environment = GetIniFile(filename, (const char *) NULL); |
| 148 | len = strlen(environment); |
| 149 | #if !defined(SVR4) || defined(__sgi) |
| 150 | (void)gethostname(environment + len, 1024 - len); |
| 151 | #else |
| 152 | (void)sysinfo(SI_HOSTNAME, environment + len, 1024 - len); |
| 153 | #endif |
| 154 | } |
| 155 | if ((homeDB = XrmGetFileDatabase(environment))) |
| 156 | XrmMergeDatabases(homeDB, &wxResourceDatabase); |
| 157 | } |
| 158 | |
| 159 | //----------------------------------------------------------------------------- |
| 160 | // called on application exit |
| 161 | //----------------------------------------------------------------------------- |
| 162 | |
| 163 | void wxFlushResources(void) |
| 164 | { |
| 165 | char nameBuffer[512]; |
| 166 | |
| 167 | wxNode *node = wxTheResourceCache->First(); |
| 168 | while (node) { |
| 169 | char *file = node->key.string; |
| 170 | // If file doesn't exist, create it first. |
| 171 | (void)GetResourcePath(nameBuffer, file, TRUE); |
| 172 | |
| 173 | XrmDatabase database = (XrmDatabase)node->Data(); |
| 174 | XrmPutFileDatabase(database, nameBuffer); |
| 175 | XrmDestroyDatabase(database); |
| 176 | wxNode *next = node->Next(); |
| 177 | // delete node; |
| 178 | node = next; |
| 179 | } |
| 180 | } |
| 181 | |
| 182 | void wxDeleteResources(const char *file) |
| 183 | { |
| 184 | wxLogTrace(wxTraceResAlloc, "Delete: Number = %d", wxTheResourceCache->Number()); |
| 185 | char buffer[500]; |
| 186 | (void)GetIniFile(buffer, file); |
| 187 | |
| 188 | wxNode *node = wxTheResourceCache->Find(buffer); |
| 189 | if (node) { |
| 190 | XrmDatabase database = (XrmDatabase)node->Data(); |
| 191 | XrmDestroyDatabase(database); |
| 192 | // delete node; |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | //----------------------------------------------------------------------------- |
| 197 | // resource functions |
| 198 | //----------------------------------------------------------------------------- |
| 199 | |
| 200 | bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file ) |
| 201 | { |
| 202 | char buffer[500]; |
| 203 | |
| 204 | if (!entry) return FALSE; |
| 205 | |
| 206 | (void)GetIniFile(buffer, file); |
| 207 | |
| 208 | XrmDatabase database; |
| 209 | wxNode *node = wxTheResourceCache->Find(buffer); |
| 210 | if (node) |
| 211 | database = (XrmDatabase)node->Data(); |
| 212 | else { |
| 213 | database = XrmGetFileDatabase(buffer); |
| 214 | wxLogTrace(wxTraceResAlloc, "Write: Number = %d", wxTheResourceCache->Number()); |
| 215 | wxTheResourceCache->Append(buffer, (wxObject *)database); |
| 216 | } |
| 217 | char resName[300]; |
| 218 | strcpy(resName, !section.IsNull() ? WXSTRINGCAST section : "wxWindows"); |
| 219 | strcat(resName, "."); |
| 220 | strcat(resName, entry); |
| 221 | XrmPutStringResource(&database, resName, value); |
| 222 | return TRUE; |
| 223 | }; |
| 224 | |
| 225 | bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file ) |
| 226 | { |
| 227 | char buf[50]; |
| 228 | sprintf(buf, "%.4f", value); |
| 229 | return wxWriteResource(section, entry, buf, file); |
| 230 | }; |
| 231 | |
| 232 | bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file ) |
| 233 | { |
| 234 | char buf[50]; |
| 235 | sprintf(buf, "%ld", value); |
| 236 | return wxWriteResource(section, entry, buf, file); |
| 237 | }; |
| 238 | |
| 239 | bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file ) |
| 240 | { |
| 241 | char buf[50]; |
| 242 | sprintf(buf, "%d", value); |
| 243 | return wxWriteResource(section, entry, buf, file); |
| 244 | }; |
| 245 | |
| 246 | bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file ) |
| 247 | { |
| 248 | if (!wxResourceDatabase) |
| 249 | wxXMergeDatabases(); |
| 250 | |
| 251 | XrmDatabase database; |
| 252 | if (file) { |
| 253 | char buffer[500]; |
| 254 | // Is this right? Trying to get it to look in the user's |
| 255 | // home directory instead of current directory -- JACS |
| 256 | (void)GetIniFile(buffer, file); |
| 257 | |
| 258 | wxNode *node = wxTheResourceCache->Find(buffer); |
| 259 | if (node) |
| 260 | database = (XrmDatabase)node->Data(); |
| 261 | else { |
| 262 | database = XrmGetFileDatabase(buffer); |
| 263 | wxLogTrace(wxTraceResAlloc, "Get: Number = %d", wxTheResourceCache->Number()); |
| 264 | wxTheResourceCache->Append(buffer, (wxObject *)database); |
| 265 | } |
| 266 | } else |
| 267 | database = wxResourceDatabase; |
| 268 | |
| 269 | XrmValue xvalue; |
| 270 | char *str_type[20]; |
| 271 | char buf[150]; |
| 272 | strcpy(buf, section); |
| 273 | strcat(buf, "."); |
| 274 | strcat(buf, entry); |
| 275 | |
| 276 | bool success = XrmGetResource(database, buf, "*", str_type, &xvalue); |
| 277 | // Try different combinations of upper/lower case, just in case... |
| 278 | if (!success) { |
| 279 | buf[0] = (isupper(buf[0]) ? tolower(buf[0]) : toupper(buf[0])); |
| 280 | success = XrmGetResource(database, buf, "*", str_type, &xvalue); |
| 281 | } |
| 282 | if (success) { |
| 283 | if (*value) |
| 284 | delete[] *value; |
| 285 | *value = new char[xvalue.size + 1]; |
| 286 | strncpy(*value, xvalue.addr, (int)xvalue.size); |
| 287 | return TRUE; |
| 288 | } |
| 289 | return FALSE; |
| 290 | }; |
| 291 | |
| 292 | bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file ) |
| 293 | { |
| 294 | char *s = (char *) NULL; |
| 295 | bool succ = wxGetResource(section, entry, &s, file); |
| 296 | if (succ) { |
| 297 | *value = (float)strtod(s, (char **) NULL); |
| 298 | delete[]s; |
| 299 | return TRUE; |
| 300 | } else |
| 301 | return FALSE; |
| 302 | }; |
| 303 | |
| 304 | bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file ) |
| 305 | { |
| 306 | char *s = (char *) NULL; |
| 307 | bool succ = wxGetResource(section, entry, &s, file); |
| 308 | if (succ) { |
| 309 | *value = strtol(s, (char **) NULL, 10); |
| 310 | delete[]s; |
| 311 | return TRUE; |
| 312 | } else |
| 313 | return FALSE; |
| 314 | }; |
| 315 | |
| 316 | bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file ) |
| 317 | { |
| 318 | char *s = (char *) NULL; |
| 319 | bool succ = wxGetResource(section, entry, &s, file); |
| 320 | if (succ) { |
| 321 | // Handle True, False here |
| 322 | // True, Yes, Enables, Set or Activated |
| 323 | if (*s == 'T' || *s == 'Y' || *s == 'E' || *s == 'S' || *s == 'A') |
| 324 | *value = TRUE; |
| 325 | // False, No, Disabled, Reset, Cleared, Deactivated |
| 326 | else if (*s == 'F' || *s == 'N' || *s == 'D' || *s == 'R' || *s == 'C') |
| 327 | *value = FALSE; |
| 328 | // Handle as Integer |
| 329 | else |
| 330 | *value = (int)strtol(s, (char **) NULL, 10); |
| 331 | delete[]s; |
| 332 | return TRUE; |
| 333 | } else |
| 334 | return FALSE; |
| 335 | }; |
| 336 | |